Features: <br>1. Adopt industrial micro controller, charge and discharge parameters can be adjusted. <br>2. Full 3-stage PWM charge management. <br>3. Built-in a variety of protection functions including overcurrent, short circuit, open circuit, reverse connection, etc. <br>4. Large screen LCD display with backlight. <br>5. Switchable charging function for lithium battery and lead-acid battery. <br> <br>Specification: <br>Model (Optional) KYZ-10A KYZ-20A <br>KYZ-30A <br> <br>Batt Voltage 12V/24V self-adapting <br>Charge Current 10A 20A 30A <br>Discharge Current 10A 10A 10A <br>Maximum Solar Input <41V <br>Equalization Lithium battery: 12.8V <br>Lead-acid battery: 14.4V <br>Floating Charge Lithium battery: 12.0V (default, 11.5-12.8V adjustable) <br>Lead-acid battery: 13.7V (default, 13-15V adjustable) <br>Undervoltage Protection Lithium battery: 10.7V (default, 9.0-11.0V adjustable) <br> <br>Lead-acid battery: 10.7V (default, 9.0-11.5V adjustable) <br> <br>Discharge Reconnect Lithium battery: 11.6V (default, 11.0-11.7V adjustable) <br>Lead-acid battery: 12.6V (default, 11.5-13V adjustable) <br>Standby Current <10mA <br>USB Output 5V/2A Maximum <br>Operating Temperature -35~60℃ <br>Size 133*70*35mm / 5.2*2.7*1.3in <br>Weight Approx. 205g / 7.2oz <br> <br>Tips: All red voltage is only for 12V system, please double it while using 24V system. <br> <br> <br>Package list: <br>1 * Solar Charge Controller <br> <br>Note: <br>1. Make sure your battery has enough voltage for the controller to recognize the battery type before first installation. <br>2. The battery cable should be as short as possible to minimize loss. <br>3. The charge controller is only suitable for regulating solar modules. Never connect another charging source to it. <br>4. The controller will be hot when running. Please install it in a well ventilated place. <br>5. Please note that the new type and old type of this product will be sent randomly and make sure you will not mind before ordering.<br>1、Adopt industrial micro controller, charge and discharge parameters can be adjusted. <br>2、Full 3-stage PWM charge management. <br>3、Built-in a variety of protection functions including overcurrent, short circuit, open circuit, reverse connection, etc. <br>4、Large screen LCD display with backlight. <br>5、Switchable charging function for lithium battery and lead-acid battery.